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News & Promotions

    Become a Customer

    Become a Customer Interested in becoming a customer of Duncan Supply Company?  For more information, click below to start the process.

    Start the Process

    Become a Vendor

    Become a Vendor Have new innovating products that Duncan Supply Company needs to sell?  Start the process below to become a vendor of Duncan Supply Company.

    Start the process

    May Flyer - JB Products

    As a member or Key Wholesaler Group, during the month of May we are proud to be working with JB Products!  Don't miss out on the free NEW JB mobile Apps and don't forget to check out the great JB Products below.

    #1 Combo Seller in the Industry!
    DV-200N - Platinum Pump

    DV-6E - Eliminator Pump


    New Wireless Products!
    DS-20000S - Wireless Scale  &  DV-40S - Wireless Vacuum Gauge

    Extremely Accurate Leak Detector!

    LD-5000 - Prowler


    In case you missed last month's flyer, stop in and ask your sales rep about how to STOCK UP and prepare for SPRING with products from Nu-Calgon!  CLICK HERE to download the April flyer.

    Did you know Duncan Supply is participating in the Honeywell Contractor PRO Program?  Earn points for your Honeywell purchases and earn FREE Honeywell product certificates!  Ask your sales rep for more details!

    Please take some time to visit our Duncan Supply website, where you can check out products and our family of reputable vendors.  Don't forget to mark your calendars the upcoming A/C Service Procedures training, Solving Air Volume Problems training, Counter Days and Customer Appreciation Days.  For a complete list of our upcoming events, please visit our 
    Events & Training page.